Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
HOX3BBC0538949606HOX3    HOXC9    142971
HOX3BNM_0068979606HOX3    HOXC9    142971

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* OMIM link based on symbol match for human and mouse.

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Text2Knowledge ... Yong Huang 2002